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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 2999 | * Fires once after each taxonomy's term cache has been cleaned. |
| 3000 | * |
| 3001 | * @since 2.5.0 |
| 3002 | * @since 4.5.0 Added the `$clean_taxonomy` parameter. |
| 3003 | * |
| 3004 | * @param array $ids An array of term IDs. |
| 3005 | * @param string $taxonomy Taxonomy slug. |
| 3006 | * @param bool $clean_taxonomy Whether or not to clean taxonomy-wide caches |
| 3007 | */ |
| 3008 | do_action( 'clean_term_cache', $ids, $taxonomy, $clean_taxonomy ); |
| 3009 | } |
| 3010 | |
| 3011 | wp_cache_set( 'last_changed', microtime(), 'terms' ); |
| 3012 | } |
| 3013 | |
| 3014 | /** |
| 3015 | * Retrieves the taxonomy relationship to the term object id. |
| 3016 | * |
| 3017 | * Upstream functions (like get_the_terms() and is_object_in_term()) are |